120145308197 has 2 divisors, whose sum is σ = 120145308198. Its totient is φ = 120145308196.

The previous prime is 120145308163. The next prime is 120145308233. The reversal of 120145308197 is 791803541021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114288620356 + 5856687841 = 338066^2 + 76529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120145308197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120145308797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072654098 + 60072654099.

It is an arithmetic number, because the mean of its divisors is an integer number (60072654099).

Almost surely, 2^120145308197 is an apocalyptic number.

It is an amenable number.

120145308197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120145308197 is an equidigital number, since it uses as much as digits as its factorization.

120145308197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 120145308197 in words is "one hundred twenty billion, one hundred forty-five million, three hundred eight thousand, one hundred ninety-seven".